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Diffstat (limited to 'xlators/nfs/server/src/mount3.h')
| -rw-r--r-- | xlators/nfs/server/src/mount3.h | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/xlators/nfs/server/src/mount3.h b/xlators/nfs/server/src/mount3.h new file mode 100644 index 00000000000..b185df835ae --- /dev/null +++ b/xlators/nfs/server/src/mount3.h @@ -0,0 +1,188 @@ +/* + Copyright (c) 2010-2011 Gluster, Inc. <http://www.gluster.com> + This file is part of GlusterFS. + + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. +*/ + +#ifndef _MOUNT3_H_ +#define _MOUNT3_H_ + +#include "rpcsvc.h" +#include <glusterfs/dict.h> +#include <glusterfs/xlator.h> +#include <glusterfs/iobuf.h> +#include "nfs.h" +#include <glusterfs/list.h> +#include "xdr-nfs3.h" +#include <glusterfs/locking.h> +#include "nfs3-fh.h" +#include <glusterfs/compat-uuid.h> +#include "exports.h" +#include "mount3-auth.h" +#include "auth-cache.h" + +/* Registered with portmap */ +#define GF_MOUNTV3_PORT 38465 +#define GF_MOUNTV3_IOB (2 * GF_UNIT_KB) +#define GF_MOUNTV3_IOBPOOL (GF_MOUNTV3_IOB * 50) + +#define GF_MOUNTV1_PORT 38466 +#define GF_MNT GF_NFS "-mount" + +extern rpcsvc_program_t * +mnt3svc_init(xlator_t *nfsx); + +extern rpcsvc_program_t * +mnt1svc_init(xlator_t *nfsx); + +extern void +mnt3svc_deinit(xlator_t *nfsx); + +extern int +mount_init_state(xlator_t *nfsx); + +extern int +mount_reconfigure_state(xlator_t *nfsx, dict_t *options); + +void +mount_rewrite_rmtab(struct mount3_state *ms, char *new_rmtab); + +struct mnt3_export * +mnt3_mntpath_to_export(struct mount3_state *ms, const char *dirpath, + gf_boolean_t export_parsing_match); + +extern int +mnt3svc_update_mountlist(struct mount3_state *ms, rpcsvc_request_t *req, + const char *expname, const char *fullpath); + +int +mnt3_authenticate_request(struct mount3_state *ms, rpcsvc_request_t *req, + struct nfs3_fh *fh, const char *volname, + const char *path, char **authorized_path, + char **authorized_host, gf_boolean_t is_write_op); + +/* Data structure used to store the list of mounts points currently + * in use by NFS clients. + */ +struct mountentry { + /* Links to mount3_state->mountlist. */ + struct list_head mlist; + + /* The export name */ + char exname[MNTPATHLEN]; + char hostname[MNTPATHLEN]; + char fullpath[MNTPATHLEN]; + + gf_boolean_t has_full_path; + + /* Since this is stored in a dict, we want to be able + * to find easily get the key we used to store + * the struct in our dict + */ + char hashkey[MNTPATHLEN * 2 + 2]; +}; + +#define MNT3_EXPTYPE_VOLUME 1 +#define MNT3_EXPTYPE_DIR 2 + +/* Structure to hold export-dir AUTH parameter */ +struct host_auth_spec { + char *host_addr; /* Allowed IP or host name */ + uint32_t netmask; /* Network mask (Big-Endian) */ + struct host_auth_spec *next; /* Pointer to next AUTH struct */ +}; + +struct mnt3_export { + struct list_head explist; + + /* The string that may contain either the volume name if the full volume + * is exported or the subdirectory in the volume. + */ + char *expname; + /* + * IP address, hostname or subnets who are allowed to connect to expname + * subvolume or subdirectory + */ + struct host_auth_spec *hostspec; + xlator_t *vol; + int exptype; + + /* This holds the full path that the client requested including + * the volume name AND the subdirectory in the volume. + */ + char *fullpath; + + /* Extracted from nfs volume options if nfs.dynamicvolumes is on. + */ + uuid_t volumeid; + uuid_t mountid; +}; + +struct mount3_state { + xlator_t *nfsx; + + /* The NFS state that this belongs to */ + struct nfs_state *nfs; + + /* The buffers for all network IO are got from this pool. */ + struct iobuf_pool *iobpool; + + /* List of exports, can be volumes or directories in those volumes. */ + struct list_head exportlist; + + /* List of current mount points over all the exports from this + * server. + */ + struct list_head mountlist; + + /* Dict of current mount points over all the exports from this + * server. Mirrors the mountlist above, but can be used for + * faster lookup in the event that there are several mounts. + * Currently, each NFSOP is validated against this dict: each + * op is checked to see if the host that operates on the path + * does in fact have an entry in the mount dict. + */ + dict_t *mountdict; + + /* Used to protect the mountlist & the mount dict */ + gf_lock_t mountlock; + + /* Used to insert additional authentication parameters */ + struct mnt3_auth_params *auth_params; + + /* Set to 0 if exporting full volumes is disabled. On by default. */ + gf_boolean_t export_volumes; + gf_boolean_t export_dirs; + + pthread_t auth_refresh_thread; + gf_boolean_t stop_refresh; + + struct auth_cache *authcache; +}; + +#define gf_mnt3_export_dirs(mst) ((mst)->export_dirs) + +struct mount3_resolve_state { + struct mnt3_export *exp; + struct mount3_state *mstate; + rpcsvc_request_t *req; + + char remainingdir[MNTPATHLEN]; + loc_t resolveloc; + struct nfs3_fh parentfh; +}; + +typedef struct mount3_resolve_state mnt3_resolve_t; + +int +mnt3_parse_dir_exports(rpcsvc_request_t *req, struct mount3_state *ms, + char *subdir, gf_boolean_t send_reply); + +char * +mnt3_get_volume_subdir(char *path, char **volname); + +#endif |